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Finding the Fourth Proportional to 854,500, 1,179,190.56 and 472,529.92

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Solution

The fourth proportional to 854,500, 1,179,190.56 and 472,529.92 is: 652,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,500 : 1,179,190.56 = 472,529.92 : x
  2. Step 2: Convert to fraction form
    854,500/1,179,190.56 = 472,529.92/x
  3. Step 3: Cross multiply
    854,500x = 1,179,190.56 × 472,529.92
  4. Step 4: Simplify right side
    854,500x = 557,202,820,981.56
  5. Step 5: Solve for x
    x = 557,202,820,981.56/854,500
  6. Step 6: Final answer
    x = 652,080.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.